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BOSTON MARATHON 2023

Cheryl Alden

Bib: 19511•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F45-49)
#0 / 1817
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:04/mi
25:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:14:32
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:39:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:44:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:30:33
↑ 181↓ 1480.2%
20M
8:30/mi
2:42:06
↑ 64↓ 500.2%
21M
8:56/mi
2:51:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:57:16
↑ 17↓ 861.7%
23M
8:29/mi
3:07:53
↑ 23↓ 630.6%
24M
8:20/mi
3:16:13
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:23:30
↓ 200.3%
25.2M
8:59/mi
3:26:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:34:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:56
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:50:03
Pace8:24 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4225:058:0425:05
8:04
-
10K
6.21 mi11:42:2549:488:0124:43
7:57
-0:07
15K
9.32 mi12:07:091:14:328:0024:44
7:58
+0:01
20K
12.43 mi12:32:051:39:288:0024:56
8:02
+0:04
Half
13.11 mi12:37:331:44:568:005:28
8:01
-0:01
25K
15.53 mi12:57:162:04:398:0119:43
8:08
+0:07
30K
18.64 mi13:23:102:30:338:0525:54
8:20
+0:12
20M
20.00 mi13:34:432:42:068:0611:33
8:30
+0:10
21M
21.00 mi13:43:392:51:028:098:56
8:56
+0:26
35K
21.75 mi13:49:532:57:168:096:14
8:20
-0:36
23M
23.00 mi14:00:303:07:538:1010:37
8:29
+0:09
24M
24.00 mi14:08:503:16:138:118:20
8:20
-0:09
40K
24.85 mi14:16:073:23:308:117:17
8:31
+0:11
25.2M
25.20 mi14:19:133:26:368:123:06
8:59
+0:28
Finish
26.22 mi14:27:363:34:598:128:23
8:14
-0:45

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:57 /mi

Average Pace

8:12 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:57

94% of race

Time at Steady Pace

12:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:17:4225:058:0425:05
8:04
#14523
10K
6.21 mi11:42:2549:488:0124:43
7:57
#14491
15K
9.32 mi12:07:091:14:328:0024:44
7:58
#14340
20K
12.43 mi12:32:051:39:288:0024:56
8:02
#14140
Half
13.11 mi12:37:331:44:568:005:28
8:01
#14152
25K
15.53 mi12:57:162:04:398:0119:43
8:08
#14055
30K
18.64 mi13:23:102:30:338:0525:54
8:20
#13902
20M
20.00 mi13:34:432:42:068:0611:33
8:30
#13875
21M
21.00 mi13:43:392:51:028:098:56
8:56
#13799
35K
21.75 mi13:49:532:57:168:096:14
8:20
#13816
23M
23.00 mi14:00:303:07:538:1010:37
8:29
#13735
24M
24.00 mi14:08:503:16:138:118:20
8:20
#13701
40K
24.85 mi14:16:073:23:308:117:17
8:31
#13670
25.2M
25.20 mi14:19:133:26:368:123:06
8:59
#13636
Finish
26.22 mi14:27:363:34:598:128:23
8:14
#13626
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi145234341434114078(Top 53%)4128(Top 36%)4128(Top 227%)
10K6.21 mi3.10 mi14491+324336+54336+514460(Top 54%)4338(Top 38%)4338(Top 239%)
15K9.32 mi3.11 mi14340+1514256+804256+8014078(Top 53%)4128(Top 36%)4128(Top 227%)
20K12.43 mi3.11 mi14140+2004170+864170+8613666(Top 51%)3916(Top 34%)3916(Top 216%)
Half13.11 mi0.68 mi14152-124173-34173-314520(Top 55%)4389(Top 38%)4389(Top 242%)
25K15.53 mi2.42 mi14055+974142+314142+3113746(Top 52%)4062(Top 36%)4062(Top 224%)
30K18.64 mi3.11 mi13902+1534083+594083+5913284(Top 50%)3910(Top 34%)3910(Top 215%)
20M20.00 mi1.36 mi13875+274086-34086-313636(Top 51%)4196(Top 37%)4196(Top 231%)
21M21.00 mi1.00 mi13799+764057+294057+2913052(Top 49%)3973(Top 35%)3973(Top 219%)
35K21.75 mi0.75 mi13816-174081-244081-2414300(Top 54%)4717(Top 41%)4717(Top 260%)
23M23.00 mi1.25 mi13735+814065+164065+1613107(Top 49%)4128(Top 36%)4128(Top 227%)
24M24.00 mi1.00 mi13701+344067-24067-213453(Top 51%)4363(Top 38%)4363(Top 240%)
40K24.85 mi0.85 mi13670+314067406713483(Top 51%)4460(Top 39%)4460(Top 245%)
25.2M25.20 mi0.35 mi13636+344049+184049+1812538(Top 47%)3997(Top 35%)3997(Top 220%)
Finish26.22 mi1.02 mi13626+104063-144063-1413633(Top 51%)4539(Top 40%)4539(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14078

Females

4128

F45-49

4128

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14460

Females

4338

F45-49

4338

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14078

Females

4128

F45-49

4128

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13666

Females

3916

F45-49

3916

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14520

Females

4389

F45-49

4389

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13746

Females

4062

F45-49

4062

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13284

Females

3910

F45-49

3910

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13636

Females

4196

F45-49

4196

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13052

Females

3973

F45-49

3973

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14300

Females

4717

F45-49

4717

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13107

Females

4128

F45-49

4128

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13453

Females

4363

F45-49

4363

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13483

Females

4460

F45-49

4460

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12538

Females

3997

F45-49

3997

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13633

Females

4539

F45-49

4539

Passing Analysis

Category:
Athletes Passed
2017
Passed By
1120
Net Change
+897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14523
5K → 10K312280+32#14523#14491
10K → 15K264113+151#14491#14340
15K → 20K28383+200#14340#14140
20K → Half2537-12#14140#14152
Half → 25K18588+97#14152#14055
25K → 30K267114+153#14055#13902
30K → 20M10679+27#13902#13875
20M → 21M12852+76#13875#13799
21M → 35K4562-17#13799#13816
35K → 23M12039+81#13816#13735
23M → 24M8248+34#13735#13701
24M → 40K7544+31#13701#13670
40K → 25.2M5420+34#13670#13636
25.2M → Finish7161+10#13636#13626
TOTALS20171120+897
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing